swap_pager complaints but not using swap
Tim Judd
tajudd at gmail.com
Sat Jan 24 13:28:22 PST 2009
Kris Kennaway wrote:
> Dieter wrote:
>> AMD64 FreeBSD 7.0 2 GiB main memory
>>
>> My console says:
>>
>> login: swap_pager: indefinite wait buffer: bufobj: 0, blkno: 22,
>> size: 4096
>> swap_pager: indefinite wait buffer: bufobj: 0, blkno: 22, size: 4096
>> swap_pager: indefinite wait buffer: bufobj: 0, blkno: 22, size: 4096
>> swap_pager: indefinite wait buffer: bufobj: 0, blkno: 22, size: 4096
>>
>> pstat -sk
>> Device 1K-blocks Used Avail Capacity
>> /dev/ad6s10 4590208 96 4590112 0%
>>
>> Wow, using a whole 96K of swap. I don't see any disk related
>> complaints in dmesg.
>>
>> Is this something to worry about?
>
> Yes, the system was *trying* to do swap I/O and timing out while doing
> so.
>
> Kris
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isn't swapspace supposed to be on a 'b' partition? Are you using swap
on a slice 10? how is that possible when the i386/amd64 BIOS can't see
more than 4 primary partitions?
Kris, would you mind giving input to this? How can there be a s10, and
how can you add swapspace to a device that isn't a partition 'b' nor a
file backed swapspace? Those were the only two ways I thought was
supported for swap.
Dieter, does my questions above sound to be a correct interpretation of
your disk setup?
thanks!
--Tim
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